Home
Class 12
CHEMISTRY
Why is the zinc bledne ore roasted befor...

Why is the zinc bledne ore roasted before carbon reduction? Answer with balanced chemical equation.

Promotional Banner

Topper's Solved these Questions

  • 2015 QUESTION PAPER

    UNITED BOOK HOUSE|Exercise EXERCISE|72 Videos

  • HIGHER SECONDARY EXAMINATION 2017

    UNITED BOOK HOUSE|Exercise EXERCISE|70 Videos

Similar Questions

Explore conceptually related problems

Why is the zinc blende ore roasted before carbon reduction? Answer with balanced chemical equation.

How is metallic zinc obtained from zinc oxide? Write the reaction with balanced chemical equation.

Rate law cannot be determined from balanced chemical equation if-

Between two aqueous solutions, one is ferric chloride and the other is aluminium chloride. How would you identify the ferric chloride solution using aqueous solution of ammonia? Answer with balanced chemical equation.

What will happen when N_2 reacts with heated calcium carbide write with balanced chemical equation. State one use of the compound formed.

Why is copper extracted by self reduction? Write down the chemical reaction.

Why is copper extracted by self reduction? Write down the chemical reaction.

Write the condition for the reaction of addition of hydrogen to ethylene. Write the balanced chemical equation of the reaction.Mention one use of CNG__________

Why is zinc not extracted from zinc oxide through reduction using CO ?

Why the alkali metals cannot be extracted by chemical reduction method ?

UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2016-EXERCISE
  1. Arrange the following solutions in order of decreasing specific conduc...

    Text Solution

    |

  2. Determine DeltaG^@ and the value of the equlibrium constant for the fo...

    Text Solution

    |

  3. Why is the zinc bledne ore roasted before carbon reduction? Answer wit...

    Text Solution

    |

  4. What is Malachite? Write down its formula.

    Text Solution

    |

  5. Explain why Cu^+ ion is not stable in aqueous soltuion.

    Text Solution

    |

  6. State what happens when a solid mixture of KCI and K2Cr2O7 is heated w...

    Text Solution

    |

  7. Write the number of unpaired electron (s) present in Na2[FeO4] [Atomic...

    Text Solution

    |

  8. Explain the cause of chemical similarity between the compounds of Nb a...

    Text Solution

    |

  9. What will happen when bromomethane reacts with an aqueous solution of ...

    Text Solution

    |

  10. What will happen when bromomethane reacts with an aqueous solution of ...

    Text Solution

    |

  11. What will happen when chlorobenzene reacts with a mixture of conc. HNO...

    Text Solution

    |

  12. Identify A, B, C, D, E and F in the following reactions.

    Text Solution

    |

  13. Identify A, B, C, D, E and F in the following reactions.

    Text Solution

    |

  14. An organic compound A(C2H6O) reacts with sodium to form compound B and...

    Text Solution

    |

  15. Arrange the following compounds in decreasing order of their basicity:

    Text Solution

    |

  16. Write the arrow-head equation for the following reactions: Aniline is ...

    Text Solution

    |

  17. Write the organic products in the following reactions:

    Text Solution

    |

  18. Write the organic products in the reaction : RCN underset("Dry ethe...

    Text Solution

    |

  19. What is the polysaccharide? Explain with and example

    Text Solution

    |

  20. What is meant by primary structure of a protein?

    Text Solution

    |